Place Value and Rounding Decimals

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Front

What does rounding mean?

Back

Rounding means adjusting a number to a nearby value that is easier to work with, often to a specified place value.

Front

How do you round a number to the nearest tenths?

Back

To round to the nearest tenths, look at the hundredths place. If it is 5 or more, round up. If it is less than 5, round down.

Front

Round 1.456 to the nearest tenths.

Back

1.5

Front

Round 13.98 to the nearest tenths.

Back

14.0

Front

What digit is in the whole number spot of 12,345.6789?

Back

5

Front

Round 13.798 to the nearest hundredths.

Back

13.80

Front

What digit is in the ten thousands place of 1,438,725.9501?

Back

3

Front

What is the value of the digit 7 in the number 7,892?

Back

7000, because it is in the thousands place.

Front

How do you identify the place value of a digit in a decimal?

Back

Count the places to the right of the decimal point: tenths, hundredths, thousandths, etc.